<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <form method="post" action="/config">
        <span style="color:red">*</span>用户名：<input type="text" name="username">
        <span style="color:red">*</span>密码：<input type="text" name="password">
        <span style="color:red">*</span>数据库地址：<input type="text" name="url">
        <input type="submit" value="更新配置">
    </form>
    <span style="font-size: 15px;" th:text=" ${result}" />
</body>
</html>